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    console.log('最干净的显示区域', document.documentElement.clientWidth);
    console.log('最干净的显示区域+滚动条', window.innerWidth);
    console.log('最干净的显示区域+滚动条+浏览器边框', window.outerWidth);
    console.log('与浏览器无关，当前设备显示分辨率横向的值', screen.width);
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